package cn.wolfcode.web.advice;

import cn.wolfcode.domain.JsonResult;
import cn.wolfcode.exception.BusinessException;
import com.alibaba.fastjson.JSON;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.method.HandlerMethod;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@ControllerAdvice
public class ExceptionControllerAdvice {
    @ExceptionHandler(BusinessException.class)
    public void  handleException(BusinessException e, HttpServletResponse response, HandlerMethod handlerMethod) throws IOException {
        e.printStackTrace();
        ResponseBody methodAnnotation = handlerMethod.getMethodAnnotation(ResponseBody.class);
        if (methodAnnotation == null){
            response.sendRedirect("/error");
        }else {
            response.setContentType("application/json;charset=utf-8");
            String toJSONString = JSON.toJSONString(
                    new JsonResult(false, e.getMessage()));
            response.getWriter().write(toJSONString);
        }
    }
    @ExceptionHandler(Exception.class)
    public void  handleException(Exception e, HttpServletResponse response, HandlerMethod handlerMethod) throws IOException {
        e.printStackTrace();
        ResponseBody methodAnnotation = handlerMethod.getMethodAnnotation(ResponseBody.class);
        if (methodAnnotation == null){
            response.sendRedirect("/error");
        }else {
            response.setContentType("application/json;charset=utf-8");
            String toJSONString = JSON.toJSONString(new JsonResult(false,"系统异常,请联系管理员"));
            response.getWriter().write(toJSONString);
        }
    }
}
